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  • McCain Walls™ Modular ADUs

    Modular ADUs

    500 Series McCain Home™
    Modular construction expedites the building process, getting the keys of an ADU in the hands of a homeowner faster and 20% less expensive than traditional stick builds.
  • Big Living in Small Footprints

    Living Large

    All the Amenities of a Home
    Bedroom, bathroom, kitchen, living room, AND A LAUNDRY AREA! The comforts of a home, all packaged neatly in an ADU.
  • ADUs for Aging Parents

    Perfect for Multi-Gen Living

    Keep Family Close
    Provide a comfortable place for your parents to age in place and maintain their privacy and independent living. Great for adult children.
  • Your Tenants Will Love It

    Generate Rental Income

    Generate passive income by using the ADU as a long-term rental.

    Six floorplans to choose from.

  • DIY Kits

    Do It Yourself and Customize

    There's nothing more rewarding than the satisfaction of building your own home.

    Five layouts to choose from.

Save Time and Money with McCain Homes™

Modular Accessory Dwelling Units | Studios | Granny Flats

Get the keys to your move-in ready McCain Home in less than 120 days!* Your prefab ADU kit arrives on the property ready for assembly, reducing the installation time drastically.

*Installation time does not include the preliminary onsite visit or the planning/permitting process time. A project manager discuss the process with you and give you an estimated schedule based on your ADU needs and requirements.

We Have Your ADU Keys

Your Beautiful ADU Awaits

We've Got Your Keys Waiting For You

Comfortable Living Space

Our spacious ADU design provides the perfect mix of elements to make for a modern, comfortable home. You and your tenants will love it!

Everything You Need

Enjoy all the amenities of a home - full kitchen, energy-efficient appliances, beautiful cabinets, a cozy bedroom, a comfy living space, and a large bathroom laundry combo.

Eco-Friendly, Modular Designs

Our prefabricated eco-friendly ADUs are manufactured in a high-tech environmentally-controlled facility in Vista, CA. Proudly made in the USA!

Benefits of a Prefab Modular ADU

Top 4 Reasons Why Choose a McCain Home

Deciding to build a second dwelling unit on your property is a big decision, and we're here to help you along the way.

Here are four big reasons why an ADU maybe a right fit for you.

Earn Passive Income with McCain Homes

1 | Earn Passive Income

Generate passive rental income when you convert your McCain Homes ADU into an affordable housing solution.
Increase Property Value with McCain Homes

2 | Increase Property Value

In most cases, the resale value of your home increases with the additional square footage of an ADU.

3 | Provide a Home

Provide independent living to your loved ones – elderly parents, adult children, but still keep them nearby.
Create Extra Space with McCain Homes

4 | Create Extra Space

Create the space you’ve always wanted – man cave, she-shed, studio, home office, whatever your heart desires.

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Let's Connect

2633 Progress Street
Vista, CA 92081
(760) 295-9230 | This email address is being protected from spambots. You need JavaScript enabled to view it.
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Proudly manufactured by McCain Manufacturing. Made in the U.S.A.

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